219800513 has 2 divisors, whose sum is σ = 219800514. Its totient is φ = 219800512.

The previous prime is 219800491. The next prime is 219800519. The reversal of 219800513 is 315008912.

219800513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140019889 + 79780624 = 11833^2 + 8932^2 .

It is a cyclic number.

It is not a de Polignac number, because 219800513 - 2¹⁴ = 219784129 is a prime.

It is not a weakly prime, because it can be changed into another prime (219800519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109900256 + 109900257.

It is an arithmetic number, because the mean of its divisors is an integer number (109900257).

Almost surely, 2^219800513 is an apocalyptic number.

It is an amenable number.

219800513 is a deficient number, since it is larger than the sum of its proper divisors (1).

219800513 is an equidigital number, since it uses as much as digits as its factorization.

219800513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 219800513 is about 14825.6707436797. The cubic root of 219800513 is about 603.4985540677.

The spelling of 219800513 in words is "two hundred nineteen million, eight hundred thousand, five hundred thirteen".